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No. The Miata 1.6 uses hydraulic lifters so there are no adjustments. If you are experiencing valve train chatter you have to replace the lifters.
how do you replace the expansion valve
possibley change the valve guide seals
The 1999 Mazda Miata is a returnless fuel system. It has a Fuel Pressure Regulator in the tank (above the fuel pump), and a snub at the end of the fuel rail.
how do I replace the AC expansion valve on a Mercedes C280 sedan. location and procedure
How do you replace evpansion valve on 99 gs 300
how much does it cost to replace to egr valve on the 2002 mazda protege
Looking directly at the engine, it is the small, black sensor on the left side of the valve cover. Simply unclip the electrical plug and remove the 10mm bolt. It will easily come out.
On a 1999-2005 model Mazda Miata the camshaft position sensor is located on the valve cover towards the rear of the engine (closest to the firewall). It has one 3-pin connector connected to it and one 10mm bolt to remove the sensor
The best way to fix an expansion valve for the A/C system is to replace it. of course then you have to evacuate and recharge with freon.
The expansion valve is found inside the evaporator housing. To replace the AC system needs to be flushed legally. Then valve is only held down by a few mounting screws. Once the AC system is bled, loosen the screws and replace the unit.